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/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SampleCode.h"
#include "SkCanvas.h"
#include "SkPaint.h"
#include "SkPicture.h"
#include "SkStream.h"
#include "SkView.h"
#define DO_AA true
#include "SkRectShape.h"
#include "SkGroupShape.h"
static SkRect make_rect(int l, int t, int r, int b) {
SkRect rect;
rect.set(SkIntToScalar(l), SkIntToScalar(t),
SkIntToScalar(r), SkIntToScalar(b));
return rect;
}
static SkShape* make_shape0(bool red) {
SkRectShape* s = new SkRectShape;
s->setRect(make_rect(10, 10, 90, 90));
if (red) {
s->paint().setColor(SK_ColorRED);
}
s->paint().setAntiAlias(DO_AA);
return s;
}
static SkShape* make_shape1() {
SkRectShape* s = new SkRectShape;
s->setOval(make_rect(10, 10, 90, 90));
s->paint().setColor(SK_ColorBLUE);
s->paint().setAntiAlias(DO_AA);
return s;
}
static SkShape* make_shape2() {
SkRectShape* s = new SkRectShape;
s->setRRect(make_rect(10, 10, 90, 90),
SkIntToScalar(20), SkIntToScalar(20));
s->paint().setColor(SK_ColorGREEN);
s->paint().setAntiAlias(DO_AA);
return s;
}
///////////////////////////////////////////////////////////////////////////////
class ShapesView : public SampleView {
SkGroupShape fGroup;
SkMatrixRef* fMatrixRefs[4];
public:
ShapesView() {
SkMatrix m;
fGroup.appendShape(make_shape0(false))->unref();
m.setRotate(SkIntToScalar(30), SkIntToScalar(50), SkIntToScalar(50));
m.postTranslate(0, SkIntToScalar(120));
fGroup.appendShape(make_shape0(true), m)->unref();
m.setTranslate(SkIntToScalar(120), 0);
fGroup.appendShape(make_shape1(), m)->unref();
m.postTranslate(0, SkIntToScalar(120));
fGroup.appendShape(make_shape2(), m)->unref();
for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrixRefs); i++) {
SkSafeRef(fMatrixRefs[i] = fGroup.getShapeMatrixRef(i));
}
this->setBGColor(0xFFDDDDDD);
}
virtual ~ShapesView() {
for (size_t i = 0; i < SK_ARRAY_COUNT(fMatrixRefs); i++) {
SkSafeUnref(fMatrixRefs[i]);
}
}
protected:
// overrides from SkEventSink
virtual bool onQuery(SkEvent* evt) {
if (SampleCode::TitleQ(*evt)) {
SampleCode::TitleR(evt, "Shapes");
return true;
}
return this->INHERITED::onQuery(evt);
}
void drawpicture(SkCanvas* canvas, SkPicture& pict) {
#if 0
SkDynamicMemoryWStream ostream;
pict.serialize(&ostream);
SkMemoryStream istream(ostream.getStream(), ostream.getOffset());
SkPicture* newPict = new SkPicture(&istream);
canvas->drawPicture(*newPict);
newPict->unref();
#else
canvas->drawPicture(pict);
#endif
}
virtual void onDrawContent(SkCanvas* canvas) {
SkScalar angle = SampleCode::GetAnimScalar(SkIntToScalar(180),
SkIntToScalar(360));
SkMatrix saveM = *fMatrixRefs[3];
SkScalar c = SkIntToScalar(50);
fMatrixRefs[3]->preRotate(angle, c, c);
const SkScalar dx = 350;
const SkScalar dy = 500;
const int N = 1;
for (int v = -N; v <= N; v++) {
for (int h = -N; h <= N; h++) {
SkAutoCanvasRestore acr(canvas, true);
canvas->translate(h * dx, v * dy);
SkMatrix matrix;
SkGroupShape* gs = new SkGroupShape;
SkAutoUnref aur(gs);
gs->appendShape(&fGroup);
matrix.setScale(-SK_Scalar1, SK_Scalar1);
matrix.postTranslate(SkIntToScalar(220), SkIntToScalar(240));
gs->appendShape(&fGroup, matrix);
matrix.setTranslate(SkIntToScalar(240), 0);
matrix.preScale(SK_Scalar1*2, SK_Scalar1*2);
gs->appendShape(&fGroup, matrix);
#if 1
SkPicture* pict = new SkPicture;
SkCanvas* cv = pict->beginRecording(1000, 1000);
cv->scale(SK_ScalarHalf, SK_ScalarHalf);
gs->draw(cv);
cv->translate(SkIntToScalar(680), SkIntToScalar(480));
cv->scale(-SK_Scalar1, SK_Scalar1);
gs->draw(cv);
pict->endRecording();
drawpicture(canvas, *pict);
pict->unref();
#endif
}}
*fMatrixRefs[3] = saveM;
this->inval(NULL);
}
private:
typedef SampleView INHERITED;
};
///////////////////////////////////////////////////////////////////////////////
static SkView* MyFactory() { return new ShapesView; }
static SkViewRegister reg(MyFactory);
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